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Gnom [1K]
3 years ago
13

In testing the hypothesis, research observations have shown a direct relationship between higher sodium intake and higher blood

pressure across population groups.
a. True
b. False
Biology
1 answer:
Alina [70]3 years ago
8 0

Answer:

True.

Explanation:

The sodium is necessary for the proper functioning of body and maintains the electrolytes balance of the body. The sodium is also important for the conduction of nerve impulse.

Research has tested the hypothesis in the population and found that the higher sodium intake increases the blood pressure of the organism. High amount of sodium also increases the heart related disease in the individual.

Thus, the correct answer is option (a).

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A testcross between f1 dihybrid flies produces more offspring with both traits like those of one parent or the other than offspr
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<span>When a testcross between f1 dihybrid flies produces more offspring with both traits like those of one parent, or the other than offspring with recombinant-type traits are produced means that the two genes are link. The reason that linked genes are inherited together is that they are located on the same chromosome.</span>

8 0
3 years ago
The trp and lac operons are regulated in various ways. How do bacteria regulate transcription of these operons? Sort the stateme
OLEGan [10]

Answer:

Operon is not transcribed:

-lac operon: lactose absent

-trp operon: tryptophan present

Operon is transcribed, but not sped up through positive control:

-lac operon: lactose and glucose present

-trp operon: tryptophan absent

Operon is transcribed quickly through positive control:

-lac operon: lactose present, glucose not

Explanation:

The trp operon is controlled via negative control only.

Presence of tryptophan will inhibit the transcription of the operon genes

The lac operon is controlled via negative control and positive control.

●Negative control:

--Transcription is turned off due to

active Repressor protein and absence of lactose

--Transcription is turned on due to

Inactive Repressor protein and presence of lactose

●Positive control:

--Transcription rate is higher due to absence of transcription and presence of lactose as a regulatory protein (CAP) adhere to the lac operon promoter

8 0
3 years ago
Plzzzzzzz help
monitta
What alleles do the parents have? If the parents are both Homozygous recessive the answer is 0%. If one is homozygous dominant it doesn't matter what the other one is, the answer is 100%. if the are both heterozygous the answer is 75%
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Lilah’s family has a large garden in their backyard. after learning about the role of organisms in an ecosystem, lilah compares
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An ecosystem is a self supporting system in which there is a flow of materials and energy.

<h3>What is an ecosystem?</h3>

An ecosystem is a self supporting system in which there is a flow of materials and energy.

Let us now see the role of each organism in the small ecosystem.

  • flower - producer
  • butterfly - primary consumer
  • bird - secondary consumer
  • earthworm - decomposer

Learn more about ecosystem: brainly.com/question/13979184

8 0
2 years ago
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